Science, asked by disha0240, 2 months ago

varies in each case.
(d) Taste buds are well developed
18.) Alisha rolls a metallic ball on a dry marble floor, a wet marble floor, a newspaper and a tow
spread on the floor. She observed that the ball stops after some time, but the distance cover
In all cases the ball comes to a rest due to friction which is -
(a) A contact force
(b) A non-contact force
(c) Magnetic force
(d) None of these
(ii)
The distance covered by the ball in all four cases is arranged in ascending order.
of these is the correctly arranged?
(a) Wet marble floor, dry marble floor, newspaper, towel.
(b) Newspaper, towel, dry marble floor, wet marble floor.
(C) Towel, newspaper, dry marble floor, wet marble floor.
(d) Wet marble floor, dry marble floor, towel, newspaper.
(iii)
If the dry marble floor is covered with a layer of sand then the –
(a) Ball will not move
(b) Ball will cover a shorter distan
(c) Ball will cover a greater distance (d) Ball will cover the same distan
(iv)
Suppose the ball is covered with a piece of cloth then, the friction acting o
case will -
(a) Increase
(b) Decrease
(c) Remain the same
(d) None of these
dunod hy vibrations. For​

Answers

Answered by adarsharavind666
0

Answer:

I know that one but forgot

Explanation:

can you wait

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